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Remove reference to implicitly Optional parameters (#1345) 

This shorthand is no longer recommended - see #689 which changed it in PEP 484.
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Thomas Kluyver 2020-03-28 22:07:30 +00:00 committed by GitHub
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@ -738,11 +738,6 @@ are still controversial or not fully specified.)
class MyComparable: class MyComparable:
def compare(self, other: 'MyComparable') -> int: ... def compare(self, other: 'MyComparable') -> int: ...
- If a default of ``None`` is specified, the type is implicitly
``Optional``, e.g.::
def get(key: KT, default: VT = None) -> VT: ...
- Type variables can be declared in unconstrained, constrained, - Type variables can be declared in unconstrained, constrained,
or bounded form. The variance of a generic type can also or bounded form. The variance of a generic type can also
be indicated using a type variable declared with special keyword be indicated using a type variable declared with special keyword